Oksana: Mel Gibson Gave Me A Concussion, Broke My Teeth

Sources close to Oksana Grigorieva tell TMZ ... Mel Gibson punched her in the face and knocked out her teeth in a fit of rage.

Sources connected with Gibson have told TMZ the actor did not get violent with Oksana during their January 6 confrontation, although they admit things did get physical. A source connected with Oksana, however, says, "Mel and his camp are spinning the facts in a desperate attempt to protect his reputation."